Formal vs Informal language

The phrase 'I am writing to express my interest' is formal.

• True

• False

Using 'Hey' to start a letter or an email is appropriate in formal communication.

• True

• False

'I look forward to your response' is a formal closing.

• False

• True

'Thanks a bunch for your help!' is a formal expression.

• False

• True

'I would like to discuss further details' is an informal phrase.

• False

• True

'Best regards' is a common formal sign-off.

• Best regards

• Warm wishes

• Yours truly

• Sincerely yours

Which Statement is formal?

• I'm unfortunate if this email doesn't find you.

• I am unfortunate if this email does not find you.

• I'm unfortunate if this email does not find you.

• I am unfortunate if this email doesn't find you.

'I hope this email finds you well' is a formal greeting.

• True

• False

'Catch you later' is a formal way to end a conversation.

• False

• True

'Please let me know if you need any more information' is informal.

• True

• False